Description: This function improves the integrity of the 3D simulation of a model. The user may toggle the hidden lines on and off while using the SHADING and FILL HIDE PLOT commands.
This effect creates opaque elements that prevent objects in the background from showing through objects in the foreground.
Usage:
1. DSI prompts:
> HIDDEN SURFACE REMOVAL ON or
> HIDDEN SURFACE REMOVAL OFF
note: When checking for penetration, make sure the flag HIDDEN SURFACE REMOVAL=ON appears along the bottom of the display area.